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AYA-DL4

Galvanically isolated, current limited inputs to USB-MIDI.

wesley lee

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Description

This is an interface to connect some backlit buttons via very long cables to a computer via USB-MIDI. Built around SAMD21, an isolated DC-DC converter, some optoisolators, and some transistor current mirrors.

This is being used in an interactive installation by AYA Studio at Farol Santander, in São Paulo, Brazil.